:root {
  font-family: 'Microsoft YaHei', Inter, Avenir, Helvetica, Arial, sans-serif;
  line-height: 24px;
  font-weight: 400;

  color-scheme: light dark;
  color: rgba(255, 255, 255, 0.87);
  background-color: #242424;

  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  color: #fff;
}

a {
  font-weight: 700;
  color: #fff;
  text-decoration: underline;
}

a:hover {
  color: #fff;
}

html {
  font-size: 50px;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

body {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

h1 {
  font-size: 3.2em;
  line-height: 1.1;
}

button {
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0.6em 1.2em;
  font-size: 1em;
  font-weight: 500;
  font-family: inherit;
  background-color: #1a1a1a;
  cursor: pointer;
  transition: border-color 0.25s;
}

button:hover {
  border-color: #646cff;
}

button:focus,
button:focus-visible {
  outline: 4px auto -webkit-focus-ring-color;
}

.por {
  position: relative;
}

.poa {
  position: absolute;
}

.w100 {
  width: 100%;
}

.h100 {
  height: 100%;
}


.pn {
  pointer-events: none;
}